8-7a=6a+9

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Solution for 8-7a=6a+9 equation:


Simplifying
8 + -7a = 6a + 9

Reorder the terms:
8 + -7a = 9 + 6a

Solving
8 + -7a = 9 + 6a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-6a' to each side of the equation.
8 + -7a + -6a = 9 + 6a + -6a

Combine like terms: -7a + -6a = -13a
8 + -13a = 9 + 6a + -6a

Combine like terms: 6a + -6a = 0
8 + -13a = 9 + 0
8 + -13a = 9

Add '-8' to each side of the equation.
8 + -8 + -13a = 9 + -8

Combine like terms: 8 + -8 = 0
0 + -13a = 9 + -8
-13a = 9 + -8

Combine like terms: 9 + -8 = 1
-13a = 1

Divide each side by '-13'.
a = -0.07692307692

Simplifying
a = -0.07692307692

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